lkml.org 
[lkml]   [1998]   [Dec]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Unswappable memory needed is user space
Date

On Tue, 8 Dec 1998, David F. Newman wrote:

[snip ...]

> I was always under the impression that it was ok if you first
> write all 0s and then all 1s and then 0s and 1s and then 1s and
> 0s over the existing data. Although you don't know if the data
> has been moved around on the filesystem because of disk optimizing.
> I suppose you could use an encrypted file system. I don't know
> if you can do that on Linux, however.

For information on secure deleting of data from magnetic media look at:

http://ftp.sunet.se/pub/unix/security/secure_del.html

After having read the above, I believe that the best device to erase a hard
disk is a smelter...

Later,
John Cochran


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:46    [W:0.071 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site